diff options
Diffstat (limited to 'arch/x86/include/asm/prom.h')
-rw-r--r-- | arch/x86/include/asm/prom.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/x86/include/asm/prom.h b/arch/x86/include/asm/prom.h new file mode 100644 index 000000000000..971e0b46446e --- /dev/null +++ b/arch/x86/include/asm/prom.h | |||
@@ -0,0 +1,69 @@ | |||
1 | /* | ||
2 | * Definitions for Device tree / OpenFirmware handling on X86 | ||
3 | * | ||
4 | * based on arch/powerpc/include/asm/prom.h which is | ||
5 | * Copyright (C) 1996-2005 Paul Mackerras. | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or | ||
8 | * modify it under the terms of the GNU General Public License | ||
9 | * as published by the Free Software Foundation; either version | ||
10 | * 2 of the License, or (at your option) any later version. | ||
11 | */ | ||
12 | |||
13 | #ifndef _ASM_X86_PROM_H | ||
14 | #define _ASM_X86_PROM_H | ||
15 | #ifndef __ASSEMBLY__ | ||
16 | |||
17 | #include <linux/of.h> | ||
18 | #include <linux/types.h> | ||
19 | #include <linux/pci.h> | ||
20 | |||
21 | #include <asm/irq.h> | ||
22 | #include <asm/atomic.h> | ||
23 | #include <asm/setup.h> | ||
24 | #include <asm/irq_controller.h> | ||
25 | |||
26 | #ifdef CONFIG_OF | ||
27 | extern int of_ioapic; | ||
28 | extern u64 initial_dtb; | ||
29 | extern void add_dtb(u64 data); | ||
30 | extern void x86_add_irq_domains(void); | ||
31 | void __cpuinit x86_of_pci_init(void); | ||
32 | void x86_dtb_init(void); | ||
33 | |||
34 | static inline struct device_node *pci_device_to_OF_node(struct pci_dev *pdev) | ||
35 | { | ||
36 | return pdev ? pdev->dev.of_node : NULL; | ||
37 | } | ||
38 | |||
39 | static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus) | ||
40 | { | ||
41 | return pci_device_to_OF_node(bus->self); | ||
42 | } | ||
43 | |||
44 | #else | ||
45 | static inline void add_dtb(u64 data) { } | ||
46 | static inline void x86_add_irq_domains(void) { } | ||
47 | static inline void x86_of_pci_init(void) { } | ||
48 | static inline void x86_dtb_init(void) { } | ||
49 | #define of_ioapic 0 | ||
50 | #endif | ||
51 | |||
52 | extern char cmd_line[COMMAND_LINE_SIZE]; | ||
53 | |||
54 | #define pci_address_to_pio pci_address_to_pio | ||
55 | unsigned long pci_address_to_pio(phys_addr_t addr); | ||
56 | |||
57 | /** | ||
58 | * irq_dispose_mapping - Unmap an interrupt | ||
59 | * @virq: linux virq number of the interrupt to unmap | ||
60 | * | ||
61 | * FIXME: We really should implement proper virq handling like power, | ||
62 | * but that's going to be major surgery. | ||
63 | */ | ||
64 | static inline void irq_dispose_mapping(unsigned int virq) { } | ||
65 | |||
66 | #define HAVE_ARCH_DEVTREE_FIXUPS | ||
67 | |||
68 | #endif /* __ASSEMBLY__ */ | ||
69 | #endif | ||